Download or read book The Black Door: Spies, Secret Intelligence and British Prime Ministers written by Richard Aldrich and published by HarperCollins UK. This book was released on 2016-04-21 with total page 831 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Black Door explores the evolving relationship between successive British prime ministers and the intelligence agencies, from Asquith’s Secret Service Bureau to Cameron’s National Security Council.